제출 #803184

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
803184	2023-08-03 00:08:03	Essa2006	XORanges (eJOI19_xoranges)	C++14	55 / 100	845 ms	65536 KiB

xoranges

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
using namespace std;
#define ll long long 
#define endl '\n'
#define FF first
#define SS second
#define all(a) a.begin(), a.end()
#define mod (ll)(1000000007)
const int pr=18, s_p=1<<pr, e_p=(1<<(pr+1))-1;
int n, q;
int S[2][30][1<<(pr+1)];
void update(int par, int j, int ind, bool new_){
    S[par][j][ind]=new_;
    S[!par][j][ind]=0;
    while(ind/=2){
        S[par][j][ind]=S[par][j][ind*2]^S[par][j][ind*2+1];
        S[!par][j][ind]=S[!par][j][ind*2]^S[!par][j][ind*2+1];
    }
}
 
bool get(int id, int u, int v, int l, int r, int par, int j){
    if(l>v || r<u)
        return 0;
    if(l>=u && r<=v)
        return S[par][j][id];
    int md=(l+r)/2;
    return get(id*2, u, v, l, md, par, j)^get(id*2+1, u, v, md+1, r, par, j);
}
int main(){
    cin>>n>>q;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 0 / 20
• Subtask 5: 0 / 25